D defs.my
Entry 1 sense Webster, 1913

Conterminous

· Con·ter·mi·nous · IPA /kənˈtɝ.mɪ.nəs/
01 a. Having the same bounds, or limits; bordering upon; contiguous.
  1. 1.
    Having the same bounds, or limits; bordering upon; contiguous.
    “This conformed so many of them as were conterminous to the colonies and garrisons, to the Roman laws.” Sir M. Hale.